Paging-machine.



PATENTED JUNE 27, 1905.

G. F. MOADAMS.

PAGING MACHINE.

APPLICATION FILED NOV.15,1904.

2 SHEETS-SHEET 1.

Huw

I nil I W III [Hz/Pam No. 793,314. PATENTED JUNE 27. 1905. G. P. McADAMS.

PAGING MACHINE.

APPLICATION TILED NOV. 15,1904.

2 SHEETS-SHEET 2.

NITED STATES Patented June 27, 1905.

(,iEORG-E F. MGADAMS, OF NEW YORK, N. Y.

PAGlNG-IVIACHINE.

SPECIFICATION forming part of Letters Patent No. 793,314, dated June 27, 1905.

Application filed November 15, 1904. Serial No. 232,776.

To (LZZ- 1011/0712 it may concern.-

Be it known that I, GEORGE F. MoAnAus, a citizen of the United States, and a resident of the borough of Brooklyn, in the city and State of New York, have invented a new and useful Paging-h lachine, of which the following is a specification.

My invention relates to paging-machines with the object in view of providing reliable and durable means for maintaining the impression-platens and tapes thereon in such relation to the type as to make a clear impression without liability of getting out of order.

A practical embodiment of my invention is represented in the accompanying drawings, in which Figure 1 is a view in side elevation of so much of a paging-machine as will be suiiicient to clearly show the position and operation of the printing-platens and tapes with respect to the type. Fig. 2 is a view of the same in end elevation. Fig. 3 is a view in detail, taken horizontally through the impression-platen and its supporting-jaw in the plane of the line A A of Fig. 1. Fig. #1 is a back view in detail of one of the impression-platens, the position of the tape thereon being indicated in dotted lines. Fig. 5 is an edge view of the same. Fig. 6 is a plan view of the same. Fig. 7 is a plan view of one of the supporting-jaws, and Fig. 8 is an edge view of the same.

The chain type, (denoted by 1,) the drum 2, over which the chain of type passes leading from the pivoted bed 3, on which the type rest during the impression, the gear-wheel 4 for operating the pivoted bed 3, the rocking shafts 5 and 6, one above and one below the chain, for carrying the supporting-jaws 7 and 8, respectively, and the gears 9 and 10 under the control of the rod 11, leading to a treadle, (not shown,) as well as the rack-bar 12, under the control of the rod 13, leading to a treadle (not shown) for operating the chain 1, and the general arrangement of the tape 1% and the su11 porting-table15, as well as the arm 16 for laying the pages of the book one after another in position to receive the impression, may be arranged in a well-known and approved manner and form in themselves no part of my present invention, save only that the crank-arms 1'7 18 on the shafts 5 and 6, which carry the supporting-jaws 7 and 8, to which the impression-platens are secured, are extended any length to afford ample room for the chain to prevent injury to the type during the turning of the bed 3 and for the insertion of the impression-platens between the said jaws T and S and the type-carrying chain without unduly limiting the space for the chain during the operation of the bed 3. My present invention relates particularly to the structure and arrangement of the impression-platen itself and the manner of attaching it to the supporting-jaws.

It is to be understood that there is an impression-platen above the chain and a similar impression-platen below the chain, the two constructions being quite similar, save only that they are made right and left. A description of one will therefore suflice to clearly disclose the structure of its companion platen.

The supporting-jaw 7 is a stiff plate extending at right angles to the crank-arm 17, which connects it with its rock-shaft, and its outer edge is bent at an angle to the body portion, as shown at 19.

The impression-platen is provided with a shank 20, consisting of a stiff plate, preferably made of a gradual taper, as shown in Figs. 4i and 6, and carries at its outer end the platen proper, 21, the face of which is set at an angle to the face of the shank 20. At one end the platen 21 is provided with flanges 22 23 at its opposite edges and is curved over to form a smooth extended bearing for the tape 14, which is held between the flanges 22 and 23 at that end of the platen against lateral displacement during the swinging movement of the platen for making the impression. At its opposite end the platen is provided with extended branches 21 25, which serve to form a loop with a narrow opening 26, through which the tape may be inserted, the branches 2% 25 serving when the tape is in position to hold it at that end of the platen against lateral displacement during the swinging movement of the platen. The under side of the platen proper is provided with a short bearing pin or teat 27, intended to rest against thefaoe of the part 19 of the supporting-jaw, and screws 28 and 29, seated in the jaw 7 and engaged with screw-threaded sockets 3O 31 in the back of the platen, serve to adjust the platen in different rocked or tilted adjustments on the bearing-teat 27 to give the platen the proper position longitudinally or in a direction transverse to the chain of type to cause it to rest properly on the type when the impression is made. A screw 32, seated in the flange 7, is engaged with a screw-threaded perforation 33 in the shank of the platen, and a second screw 34, engaged in a screwthreaded perforation 35 in the jaw, bears against the back of the shank 20 of the platen, the two screws 32 and 34 serving by their adjustments to rock or tilt the platen laterally to adjust it to the inclined plane which the type-carrying links are made to assume when resting on the bed 3 to make the impression.

When the platen has been once adjusted to suit the plane which the type assume, the platen is held by its adj usting-screws and bearing so firmly in its adjusted position that it will not be liable to any derangement, and, furthermore, the means of adjusting the platen are so simple and accurate that it may be adjusted to suit the plane of the type by unskilled as well as by skilled labor.

No spring is introduced into the present construction, as has heretofore been common, and hence the liability of the jaw becoming set normally out of adjustment is avoided, and the tape is held in its position directly along the face of the platen without any liability of its assuming an oblique or distorted position, as has heretofore been common, while the structure as a whole is extremely simple and durable.

What I claim is 1. In a paging machine, an impressionplaten provided with a rigid shank, a swinging ja'w for supporting the platen and means for securing the platen to the jaw in different tilted adjustments.

2. In a paging machine, an impressionplaten provided with a rigid shank, a supporting-jaw, means for locking the platen in different tilted adjustments longitudinally and means for securing the shank of the platen to the jaw.

3. In a paging machine, an impressionplaten provided with a rigid shank, means for adjusting the platen in different tilted adjustments longitudinally and means for adjusting the platen in different tilted adjustments laterally.

4. In a paging-machine, the combination with the rigid supporting-jaw and means for moving it bodily toward and away from the type, of an impression-platen provided with a shank, the said shank being rigid, screws for varying the relation of the shank to the jaw, one screw having a screw-threaded engagement with the shank and another bearing against the face of the shank, the said platen proper having a bearing against the jaw and screws on the opposite sides of .said bearing for holding the platen in different tilted adjustments on the bearing.

5. In a paging-machine, an impressionplaten, means for swinging the platen toward and away from the type and a tape arranged to pass over the face of the platen, the said impression-platen being provided at one end with flanges for preventing the lateral displacement of the tape and at the opposite end with a loop for holding the tape on the face of the platen and preventing lateral displacement.

In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 11th day of November, 1904.

GEORGE F. MGADAMS.

Witnesses:

' FREDK. HAYNES, C. S. SUNDGREN. 

